Disk drive unit



FIG. 1 is a front view of disk drive unit showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a right side view thereof, the left side view being a mirror image of the right side;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof; and,

FIG. 6 is a perspective view thereof in a state where a disk tray is drawn out. 

The ornamental design for a disk drive unit, as shown and described. 